From Longman Dictionary of Contemporary Englishflushflush1 /flʌʃ/ ●○○ verb 1 become red [intransitive]EMBARRASSED to become red in the face, for example when you are angry or embarrassed syn blush Susan flushed deeply and looked away. He flushed angrily.flush red/crimson/scarlet Robyn felt her cheeks flush scarlet.flush with Mrs Cooper flushed with indignation.2 toilet [intransitive, transitive]DHT if you flush a toilet, or if it flushes, you make water go through it to clean it Why do children never remember to flush the loo? She flushed the rest of her drink down the toilet.3 clean something [transitive]DHC to force water through a pipe in order to clean itflush something through something They flush clean water through the pipes once a day. → flush somebody/something ↔ out→ See Verb table
Examples from the Corpusflush• Through the end of July, the high-tech toilets have flushed 359,431 times.• You can practically hear the toilets flushing.• I can't get the toilet to flush.• To get rid of it you usually need to remove the radiator so you can flush it out.• Drinking water after exercise flushes out the wastes released from the muscles.• Drink at least eight glasses of water a day to flush out your system.• People who neglect to flush public toilets may be fined.• Deep watering flushes salts from the soil around the plant's roots.• Flushing slightly, Lesley looked away.• Each washing machine cycle, for example, takes a staggering 90 litres, while flushing the toilet uses another nine.• If the system started to drift away from the requirements of a coral reef, Gomez would flush the trays.• Afraid the water-table will go down if we flush them all at once?flush with• Make sure that the cupboard is flush with the wall.